# NTSB Accident LAX90LA317
> **ROBINSON R22A** · 1990-09-07 · BEATTY, NV, USA · SERS
## Event
- **NTSB number:** LAX90LA317
- **Event ID:** 20001212X24302
- **Type:** Accident
- **Date:** 1990-09-07
- **Location:** BEATTY, NV, USA
- **Coordinates:** 37.090255, -116.789207
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 1
- **Minor:** 1
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** ROBINSON
- **Model:** R22A
- **Registration:** N85594
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THE PILOT'S SELECTION OF AN INADEQUATE CRUISE ALTITUDE AND HIS FAILURE TO MAINTAIN ADEQUATE ROTOR RPM. CONTRIBUTING FACTORS RELATED TO THE HIGH DENSITY ALTITUDE, RISING TERRAIN, AND THE PILOT'S DELAYED AND IMPROPER USE OF THE COLLECTIVE.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX90LA317) · AI Analytics · CC0 1.0*